Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
8436517Factored
FactorDigitsBitsDate
7245691465949021522934551021334797940300141135.72023-01-08 05:36:56
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2000-03-08Marco Voerman0DA25BFA530808093639841
Verified (Factored)2002-10-07Ars Technica Team Prime Rib0DA25BFA530808096512364
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-01-13rucio309A92D44EBC1DB11553224053
P-1 factors
DateFactorB1B2
2023-01-087245691465949021522934551021334797940300116000001963347750
History
DateUserTypeResult
2023-01-13iwesCERT
PRP Certification
Proof certified good
2023-01-13rucioC-PRP
M8436517/72456914659490215229345510213347979403001 : 309A92D44EBC1DB1
PRP proof power = 8
PRP: Verified
Proof certified good
2023-01-08yoyorocks1F-PM1
Factor: 72456914659490215229345510213347979403001 / (P-1, B1=1600000, B2=1963347750)
2021-12-15GdSNF-PM1
B1=1023734, B2=30712007, e=12
2021-12-05-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-05SRBaseNF
no factor from 2^71 to 2^72
2021-08-31SRBaseNF
no factor from 2^70 to 2^71
2021-08-20SRBaseNF
no factor from 2^69 to 2^70
2020-01-03TJAOINF
no factor from 2^68 to 2^69
2018-03-11monstNF
no factor from 2^67 to 2^68
2016-01-07snme2pm1NF
no factor from 2^66 to 2^67
2015-05-26VictordeHollanderNF
no factor from 2^65 to 2^66
2014-03-18lycornNF
no factor from 2^64 to 2^65
2012-07-29bcp19NF-PM1
B1=100000, B2=1825000, E=6